Dwarfmistletoe on Red Fir and White Fir in California

Authors: Parmeter, J. R.; Scharpf, Robert F.

Source: Journal of Forestry, Volume 61, Number 5, 1 May 1963 , pp. 371-374(4)

Publisher: Society of American Foresters

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Abstract:

Stands of red fir and white fir in California are extensively infected with the fir dwarfmistletoe, and damage is heavy over much of the fir belt. Field observations and cross-inoculation studies show that there are two specialized forms of fir dwarfmistletoe, one attacking only red fir and one only white fir. In most fir stands, only one form is present in a given area. In such stands, reduction of mistletoe damage through stand conversion or through selective thinning of reproduction is suggested. Where both forms of mistletoe are present in the same stand, standard control procedures or interplanting with nonsusceptible species is suggested.

Document Type: Journal article

Affiliations: 1: Plant Pathologist, Pacific Southwest Forest and Range Expt. Sta., Forest Service, U. S. Dept. Agric., Berkeley, Calif.

Publication date: 1963-05-01

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